System Analysis and Design
The outstanding Invoice file should be stared on a Pardon Access Storage Device if

payment recording is done in a batch rode
invoice data entry is on-line.
inquires concerning payable are to be answered on-line
last record points to the first record
None of these

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System Analysis and Design
Data Definition Language (DDL)

specifies for the DBMS what is required; the techniques used to process data
describes how data are structured in the data base
all of the listed here
determine how data must be structured to produce the user's view

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